The term clade most closely refers to:

a. a class.
b. the binomial system of classification.
c. a mechanism of horizontal gene transfer.
d. a subspecies of organisms does not include a subgenus.
e. a group of organisms that share common characteristics inherited from a common ancestor.


e

Biology & Microbiology

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During every energy transformation, it can be said that ____

a. the entropy of the universe increases b. the entropy of the universe decreases c. there is an increase in the free energy of the universe d. there is a change in the total energy of the universe e. the system becomes more organized

Biology & Microbiology

Most antihelminthic medications act only against the pathogens, not the human host.

Answer the following statement true (T) or false (F)

Biology & Microbiology

In muscle function at the sarcomere level, the formation of cross-bridges is regulated by the binding of ________ ions to ________.

A. calcium; tropomyosin B. sodium; troponin C. sodium; tropomyosin D. calcium; troponin E. calcium; myosin

Biology & Microbiology

What macromolecules were being studied in Exercise 19?

What will be an ideal response?

Biology & Microbiology